[INFO] fetching crate mitosis 0.1.1... [INFO] testing mitosis-0.1.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate mitosis 0.1.1 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate mitosis 0.1.1 [INFO] finished tweaking crates.io crate mitosis 0.1.1 [INFO] tweaked toml for crates.io crate mitosis 0.1.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mitosis 0.1.1 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mitosis 0.1.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1cecee220f54ec1a5db65499c317194f4846de0c3265ce539701f1b74cfbd7a4 [INFO] running `Command { std: "docker" "start" "-a" "1cecee220f54ec1a5db65499c317194f4846de0c3265ce539701f1b74cfbd7a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1cecee220f54ec1a5db65499c317194f4846de0c3265ce539701f1b74cfbd7a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1cecee220f54ec1a5db65499c317194f4846de0c3265ce539701f1b74cfbd7a4", kill_on_drop: false }` [INFO] [stdout] 1cecee220f54ec1a5db65499c317194f4846de0c3265ce539701f1b74cfbd7a4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 36c03722de4bfdaafb1e1d0b94d6209df4f2030686b511f9c63b553ccd687b40 [INFO] running `Command { std: "docker" "start" "-a" "36c03722de4bfdaafb1e1d0b94d6209df4f2030686b511f9c63b553ccd687b40", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.102 [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling slab v0.4.4 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling uuid v0.8.2 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling crossbeam-channel v0.4.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling tempfile v3.2.0 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling ipc-channel v0.15.0 [INFO] [stderr] Compiling mitosis v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.63s [INFO] running `Command { std: "docker" "inspect" "36c03722de4bfdaafb1e1d0b94d6209df4f2030686b511f9c63b553ccd687b40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "36c03722de4bfdaafb1e1d0b94d6209df4f2030686b511f9c63b553ccd687b40", kill_on_drop: false }` [INFO] [stdout] 36c03722de4bfdaafb1e1d0b94d6209df4f2030686b511f9c63b553ccd687b40 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 931f44ca8890702250963561961ed1189900f5bce7b2cdb0298e4d7c730ee50f [INFO] running `Command { std: "docker" "start" "-a" "931f44ca8890702250963561961ed1189900f5bce7b2cdb0298e4d7c730ee50f", kill_on_drop: false }` [INFO] [stderr] Compiling mitosis v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: this function depends on never type fallback being `()` [INFO] [stdout] --> examples/kill.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = help: specify the types explicitly [INFO] [stdout] note: in edition 2024, the requirement `!: serde::ser::Serialize` will fail [INFO] [stdout] --> examples/kill.rs:7:18 [INFO] [stdout] | [INFO] [stdout] 7 | let handle = mitosis::spawn((), |()| loop {}); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(dependency_on_unit_never_type_fallback)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stdout] help: use `()` annotations to avoid fallback changes [INFO] [stdout] | [INFO] [stdout] 7 | let handle = mitosis::spawn::<_, _, ()>((), |()| loop {}); [INFO] [stdout] | ++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.63s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: mitosis v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "931f44ca8890702250963561961ed1189900f5bce7b2cdb0298e4d7c730ee50f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "931f44ca8890702250963561961ed1189900f5bce7b2cdb0298e4d7c730ee50f", kill_on_drop: false }` [INFO] [stdout] 931f44ca8890702250963561961ed1189900f5bce7b2cdb0298e4d7c730ee50f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f0ff92872a568d0486ee0457d06c127054e0949c3a56f9273d0e9e346f89db9a [INFO] running `Command { std: "docker" "start" "-a" "f0ff92872a568d0486ee0457d06c127054e0949c3a56f9273d0e9e346f89db9a", kill_on_drop: false }` [INFO] [stderr] warning: this function depends on never type fallback being `()` [INFO] [stderr] --> examples/kill.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | fn main() { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions! [INFO] [stderr] = note: for more information, see [INFO] [stderr] = help: specify the types explicitly [INFO] [stderr] note: in edition 2024, the requirement `!: serde::ser::Serialize` will fail [INFO] [stderr] --> examples/kill.rs:7:18 [INFO] [stderr] | [INFO] [stderr] 7 | let handle = mitosis::spawn((), |()| loop {}); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] = note: `#[warn(dependency_on_unit_never_type_fallback)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stderr] help: use `()` annotations to avoid fallback changes [INFO] [stderr] | [INFO] [stderr] 7 | let handle = mitosis::spawn::<_, _, ()>((), |()| loop {}); [INFO] [stderr] | ++++++++++++ [INFO] [stderr] [INFO] [stderr] warning: `mitosis` (example "kill") generated 1 warning (run `cargo fix --example "kill"` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: mitosis v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mitosis-4b3988db05a938dc) [INFO] [stdout] [INFO] [stderr] Running tests/nested.rs (/opt/rustwide/target/debug/deps/nested-ad4a06eb6718b59b) [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test mitosis ... ok [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test nested ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] [stderr] Running tests/test_harness.rs (/opt/rustwide/target/debug/deps/test_harness-2cc7c4d70e12b298) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test mitosis ... ok [INFO] [stdout] test using_init_test_but_not_spawn ... ok [INFO] [stdout] test normal_test ... ok [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test using_init_test_and_spawn ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests mitosis [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/lib.rs - spawn (line 102) - compile ... ok [INFO] [stdout] test src/lib.rs - (line 7) - compile ... ok [INFO] [stdout] test src/lib.rs - spawn (line 117) - compile ... ok [INFO] [stdout] test src/lib.rs - init_test (line 55) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f0ff92872a568d0486ee0457d06c127054e0949c3a56f9273d0e9e346f89db9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0ff92872a568d0486ee0457d06c127054e0949c3a56f9273d0e9e346f89db9a", kill_on_drop: false }` [INFO] [stdout] f0ff92872a568d0486ee0457d06c127054e0949c3a56f9273d0e9e346f89db9a